Customization: | Available |
---|---|
After-sales Service: | 1 Year |
Warranty: | 3 Years |
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Ningbo Yuhua Industrial Co., Ltd. is a leading manufacturer specializing in the design and production of HDPE fittings, PE Pipe, and ball valves. Our fittings have received the Certificate of EN12201-3 and En1555-3, and we have also obtained ISO9001/14001/45001 management system certification. With injection sizes ranging from Dn20mm to 1600mm, we offer a wide range of products to meet your needs.
With over 352 employees and a floor area of over 100,000 square meters, we are committed to providing innovative and reliable pipeline solutions. Our mission is to enhance safety and improve the quality of life through our advanced technology.
We take pride in our achievements, including manufacturing China's first PE electric fusion fittings. As the main drafting unit of national standards for PE pipe fittings, ball valves, and PE-Steel Transition fittings, we have become a powerful manufacturer in China.
Over the past 31 years, we have served major gas groups such as "China Resources Gas, Xinao Gas, China Gas, Petrochina Kunlun Gas, Ganghua Gas" with our high-performance products. Our focus on quality and safety has led to the development of 120 national patents, including 8 invention patents.
Equipped with 38 injection molding machines and 6 pipe production lines, we have the capability to deliver high-quality products efficiently. Our commitment to sustainable development drives us to continuously enhance our operations and become the most reliable experts in the PE pipe system in China.
Serial number | Laboratory name | Area | Main features | Instruments and equipment |
1 | Hydrostatic Lab | 150m2 | Pipes, fittings, valves, etc. can withstand internal pressure 165h, 1000h and long-term hydrostatic test, the test temperature is 80~95ºC | The internal pressure resistance testing machine has 6 water tanks, 39 stations, and a volume of about 15m |
2 | Analysis Lab | 60m2 | Thermal analysis experiments of PE raw materials and products, such as oxidation induction time OIT, melting point Tm, crystallinity, carbon black dispersion, roughness, hardness, etc | DSC differential scanning calorimeter, electron microscope, roughness meter, etc |
3 | Mechanics Lab | 60m2 | Test raw materials and products tensile, bending, impact strength and other mechanical properties. It is also used to test 3PE bonding strength, electromelt stripping strength and hot melt butt tensile strength | Electronic universal testing machine, impact testing machine |
4 | High Temperature lab | 60m2 | Mainly for high temperature experiments, such as carbon black content, ash content, water content, the test methods are all measured by high temperature thermogravimetric method. | Carbon black content tester, electric heating constant temperature drying box |
5 | Chemistry Lab | 60m2 | Titration test of salt content on the surface of steel pipe, acid and alkali resistance test of anti-corrosion pipe fittings, electrochemical method to test moisture content, impregnation method to measure density, etc. | Titrimeter, moisture tester, electronic balance, densitometer, etc |
6 | Physics Lab | 30m2 | Test plastic products and raw material melt mass flow rate, plastic softening temperature, thermal deformation temperature. | Melt flow rate meter |
7 | Sealed Torque Lab | 60m2 | Test PE valve seal and operating torque | Valve seal torque test bench |
8 | Aging Lab | 30m2 | Test the corrosion resistance of steel plastic pipe fittings, the main items are salt spray aging experiment, ultraviolet aging experiment | Salt spray testing machine, UV aging box |
9 | Engineering technology Center trial production laboratory | 120m2 | Mainly used for new products, new process research and development, with automatic mechanical arm and automatic sampling, trimming function. It is also used to prepare splines for raw material performance test. | Injection molding machine, automatic robot arm |